Test sequences, Digits, letters, and characters, Test sequences digits, letters, and characters – EXFO ETS-1000G User Manual
Page 158

Reference Tables
148
ETS-1000G
Test Sequences
Test Sequences
Digits, Letters, and Characters
Sequence type
Method of application (recommended)
2e9-1
To detect errors (in case of transmitting data over a
communication link at the rate of up to 14.4 Kbps).
2e11-1
To detect errors and jitter (in case of transmitting data over a
communication link at the rate of 64 Kbps and 64NKbps, where
N is an integer).
2e15-1
To detect errors and jitter (in case of transmitting data over a
communication link at the rate of 1544, 2048, 6312, 8448, 32,064
and 44,736 Kbps).
2e20-1
To detect errors (in case of transmission over a communication
link at the rate of up to 71 Kbps).
2e23-1
To detect errors and jitter (in case of transmitting data over a
communication link at the rate of 34,368 and 139,264 Kbps).
2e29-1, 2e31-1
To detect errors (in case of transmitting data at high data rates
(over 139,264 Kbps)).
Key
Digits
Letters
Characters
1
—
@ / -
2
a b c
—
3
d e f
—
4
g h i
—
5
j k l
—
6
m n o
—
7
p q r s
—
8
t u v
—